Heywood; Joseph R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heywood; Joseph R..The latest application filed is for "slot machine".
- Heywood; Joseph R. - Chorleywood GB2
- Heywood; Joseph R. - Kingsgrove New South Wales AU
- Heywood; Joseph R. - Kingsgrove New South Wales AU
| Patent | Date |
|---|---|
| Slot machine Grant D275,117 - Heywood August 14, 1 | 1984-08-14 |
| Poker machine cabinet Grant D272,254 - Heywood January 17, 1 | 1984-01-17 |
| Improvements to poker machines-simulated handle action Grant 4,426,082 - Heywood , et al. January 17, 1 | 1984-01-17 |
| Poker machine cabinet Grant D272,164 - Heywood January 10, 1 | 1984-01-10 |
| Display devices Grant 4,326,351 - Heywood , et al. April 27, 1 | 1982-04-27 |
| Automatic coin dispenser Grant 4,276,894 - Heywood July 7, 1 | 1981-07-07 |
| Reel spinning means Grant 4,262,906 - Heywood April 21, 1 | 1981-04-21 |
| Reel spinning and stopping devices Grant 4,193,599 - Heywood March 18, 1 | 1980-03-18 |
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